package index;

import compiler.absyn.Constant;

import storage.record.RID;

public interface Index {
	public void beforeFirst(Constant searchkey);
	
	public boolean next();
	
	public RID getDataRid();

	public void insert(Constant dataval, RID rid);
	
	public void delete(Constant dataval, RID rid);
	
	public void close();
}
